Explain why it takes six times as much water to produce 1kg of beef as 1kg of rice

The question to your answer is illinois amigo

The answer is c, i, iii, and iv. this is because farming and mining deal with harvesting raw materials, construction work falls under manufacturing, and piloting a plane is a service. ii is wrong because making bread is using  raw materials to produce goods, which would fall under the secondary sector, not primary.